4720-00-405-1781

Find complete technical information, availability, and procurement data for: 4720-00-405-1781
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for NSN 4720-00-405-1781 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-00-405-1781

Item Name Code

20311

Assigment Date

04/07/1971 (55 years ago)

right-hand 1st end thread direction, 2b 1st end thread class, round cross-sectional shape style, -40.0 fahrenheit and 200.0 fahrenheit single response temp rating, 0.375 inches nominal inside diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Cross-Sectional Shape Style: round
Thread Class: 2b 1st end
Thread Direction: right-hand 1st end
Inside Diameter: 0.375 inches nominal
Temp Rating: -40.0 fahrenheit and 200.0 fahrenheit single response
Outside Diameter: 0.625 inches nominal
Minimum Inside Bending Radius: 3.000 inches
Connection Style: swivel nut flare 1st end
End Connection Design: straight 1st end
Connection Type: threaded internal tube 1st end
Thread Quantity Per Inch: 18 1st end
Burst Test Pressure: 1000.0 pounds per square inch
Layer Composition And Location: outer layer rubber impregnated braided cotton cord and 1st layer braided cotton cord
Maximum Operating Pressure: 250.0 pounds per square inch
Nominal Thread Size: 0.625 inches 1st end
Seat Angle: 45.0 degrees 1st end
Hydrostatic Test Pressure: 500.0 pounds per square inch
Outer Covering Environmental Protection: mildew resistant and oil resistant
Vacuum In Torr: 50.8
Inside Surface Condition: smooth
Measuring Method And Length: 18.000 inches nominal overall
Media For Which Designed: air and fuel/oil, hydrocarbon and water single response
Thread Series Designator: unf 1st end

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
19-01114P1	Nonmetallic Hose Assembly

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 4720-00-405-1781?

The FSCG of the NSN 4720-00-405-1781 is 4720

Does NSN 4720-00-405-1781 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 4720-00-405-1781 contain precious materials?

Item does not contain precious metal.

Does NSN 4720-00-405-1781 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 4720-00-405-1781 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Wed, Apr 7, 1971